{"id":"F2006B05874","name":"AD/PA-32/79 Amdt 1 - Main Landing Gear Side Brace Stud","slug":"ad-pa-32-79-amdt-1-main-landing-gear-side-brace-stud","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135922,"registerId":"commonwealth-F2006B05874-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Model Serial Numbers","sectionType":"part","heading":"Model Serial Numbers","content":"# Model Serial Numbers\n\nPA32R-300 32R-7680001 through 32R-7780444\n\nRequirement: Remove both the left and right main gear side brace studs from the aircraft in accordance with the instructions contained in the Landing Gear section of the maintenance manual, and inspect each main gear side brace stud for cracks using fluorescent penetrant or magnetic particle inspection methods. Figure 1 of this Directive depicts the area where the sidebrace stud is to be inspected.\n\nThis figure is provided to depict the area of the sidebrace stud to be inspected. This is not intended to represent the configuration of all models affected.\n\nNote 1: A part number 95299-00 or 95299-02 stud installed in an applicable Model PA32R-300 aircraft may be identified by removing the stud and measuring the shank diameter of the stud. If the shank measures 5/8 inch in diameter, a part number 78717-02 main gear side brace stud is installed.\n\nFor any main gear side brace stud found cracked, replace the cracked stud with an approved serviceable part in accordance with the instructions contained in the Landing Gear section of the applicable maintenance manual.\n\nFor the affected Model PA32R-300 aircraft, the part number 95299-00 or 95299-02 main gear side brace studs are no longer manufactured. A new main gear side brace stud bracket assembly, part number(s) 95643-06, 95643-07, 95643-08, or 95643-09, as applicable, must be installed if cracks are found as a result of the required inspection. No repetitive inspection will be required for these affected aircraft models when this bracket assembly is installed;","sortOrder":0}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This appears to be a focused safety directive addressing a specific airworthiness concern with defined aircraft models and serial numbers. The scope remains targeted at the identified landing gear defect without apparent mission creep."},"complexity_factors":["Multiple specific part numbers referenced (95299-00, 95299-02, 78717-02, 95643-06 through 95643-09)","Conditional logic: different repair paths depending on inspection results and existing part numbers","Technical measurement requirement (5/8 inch shank diameter) to identify installed parts","Cross-reference to external maintenance manual procedures ('Landing Gear section')","Serial number range applicability (32R-7680001 through 32R-7780444)"],"plain_english_summary":"This AD mandates removal and non‑destructive inspection of the left and right main landing‑gear side‑brace studs on select Piper PA32R‑300 airplanes to detect fatigue cracks that could cause gear collapse. If studs crack, the obsolete stud part numbers must be replaced with a new bracket assembly (approved part numbers), which ends the need for repetitive inspections. It affects PA32R‑300 serials 32R‑7680001 through 32R‑7780444."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive applies only to the listed PA32R-300 serial numbers and requires removal, inspection and replacement as described. It adds a permanent remedy option (installing specified bracket assemblies) that terminates repeat inspections. The text shows no change from that operational scope or intent."},"complexity_factors":["Narrow technical scope: single model (PA32R-300) and a specific serial-number range reduces regulatory breadth.","Prescriptive inspection method: specifies fluorescent penetrant or magnetic particle inspection, requiring trained personnel and equipment.","Physical verification step: part-number ambiguity resolved by measuring stud shank diameter (identification by measurement adds a mechanical task).","Replacement path constrained by part availability: affected stud part numbers are no longer manufactured, forcing installation of a new bracket assembly when cracks are found.","Consequential compliance rule: installing specified bracket assemblies eliminates the need for repetitive inspections—creates a one-time upgrade vs ongoing inspection trade-off.","Operational disruption: requirement to remove studs from both sides increases labour and ground time for the aircraft."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of Piper PA32R-300 aircraft (serials 32R-7680001–32R-7780444) to remove both left and right main landing gear side‑brace studs and inspect them for cracks using fluorescent penetrant or magnetic particle inspection. Any cracked stud must be replaced with an approved serviceable part. If the out‑of‑production studs (95299‑00/95299‑02) are found cracked and replaced with the new bracket assembly (95643‑06/07/08/09), no further repetitive inspections are required. Costs and work fall to the aircraft owner/operator."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-32-79-amdt-1-main-landing-gear-side-brace-stud","history":"/api/acts/ad-pa-32-79-amdt-1-main-landing-gear-side-brace-stud/history","analysis":"/api/acts/ad-pa-32-79-amdt-1-main-landing-gear-side-brace-stud/analysis","conflicts":"/api/acts/ad-pa-32-79-amdt-1-main-landing-gear-side-brace-stud/conflicts","importantCases":"/api/acts/ad-pa-32-79-amdt-1-main-landing-gear-side-brace-stud/important-cases","documents":"/api/acts/ad-pa-32-79-amdt-1-main-landing-gear-side-brace-stud/documents"}}